CVE-2025-71378CWE-502insecure-deserialization

CVE-2025-71378

High · published June 21, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
40.4
In the wild
Unconfirmed
What it is

picklescan before 0.0.30 fails to detect cProfile.runctx function calls in pickle file reduce methods, allowing attackers to execute arbitrary code. Malicious pickle files bypass picklescan detection and execute remote code when loaded via pickle.load().

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00480 · 40.4th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-06-21T18:16Z
Affected products (1)
ProductVersionsFixed in
mmaitre314/picklescan< 0.0.300.0.30
References (3)
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-9w88-8rmg-7g2p · [email protected]https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-undetected-cprofile-runctx-in-pickle-files · [email protected]https://github.com/mmaitre314/picklescan/security/advisories/GHSA-9w88-8rmg-7g2p · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 21 JUN 13:26Z
    picklescan - Remote Code Execution via Undetected cProfile.runctx in Pickle Files
    cvelistv5